public async Task Load()
{
using (var client = new HttpClient())
{
URLBuilder url = new URLBuilder(_filter, controller);
url.URL += "&ShowMyOffers=true";
var request = new HttpRequestMessage()
{
RequestUri = new Uri(url.URL),
Method = HttpMethod.Get
};
request.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(string.Format("{0}:{1}", _authenticationUser.UserId.ToString(), _authenticationUser.Password))));
var response = await client.SendAsync(request);
var contents = await response.Content.ReadAsStringAsync();
List <BuyOfferDto> result = JsonConvert.DeserializeObject <List <BuyOfferDto> >(contents);
BuyOffers.Clear();
foreach (BuyOfferDto bo in result)
{
BuyOfferWrapper boffer = bo.createBuyOffer();
BuyOffers.Add(boffer);
}
}
}
public BuyTransactionViewModel(FilterViewModel filter, UserWrapper user, UserAuthenticationWrapper authenticationUser)
{
_authenticationUser = authenticationUser;
_user = user;
_filter = filter;
Offers = new BindableCollection <BuyOfferWrapper>();
SelectedOffer = new BuyOfferWrapper(new buy_Offer());
AcceptCommand = new AsyncRelayCommand(execute => Accept(), canExecute => { return(true); });
}
public BuyOfferViewModel(FilterViewModel filter, UserWrapper user, UserAuthenticationWrapper authenticationUser)
{
_authenticationUser = authenticationUser;
_user = user;
BuyOffers = new BindableCollection <BuyOfferWrapper>();
CreatedOffer = BuyOfferWrapper.CreateEmptyBuyOffer(_user);
_filter = filter;
UpdateCommand = new AsyncRelayCommand(execute => UpdateOffer(), canExecute => CanModifyOffer());
DeleteCommand = new AsyncRelayCommand(execute => DeleteOffer(), canExecute => CanModifyOffer());
}
BuyOfferDto createOffer(BuyOfferWrapper offer)
{
BuyOfferDto wrap = new BuyOfferDto();
wrap.Id = offer.Id;
wrap.BuyerId = _authenticationUser.UserId;
wrap.Price = offer.Price;
wrap.Amount = offer.Amount;
wrap.Name = offer.Name;
wrap.ProductId = offer.ProductId;
return(wrap);
}
public BuyOfferWrapper createBuyOffer()
{
BuyOfferWrapper wrap = new BuyOfferWrapper(new LGSA.Model.buy_Offer());
wrap.Id = this.Id;
wrap.BuyerId = this.BuyerId;
wrap.Price = this.Price;
wrap.Amount = this.Amount;
wrap.Name = this.Name;
wrap.Buyer = new UserWrapper(new LGSA.Model.users());
wrap.Buyer.Login = this.User.UserName;
wrap.Buyer.Rating = this.User.Rating;
wrap.ProductId = this.ProductId;
wrap.Product = this.Product.createProduct();
return(wrap);
}
public async Task AddOffer()
{
if (_createdOffer.Name == null || _createdOffer.Name == "" || _createdOffer.Product.Name == null || CreatedOffer.Amount <= 0 || CreatedOffer?.Price <= 0)
{
ErrorString = (string)Application.Current.FindResource("InvalidBuyOfferError");
return;
}
CreatedOffer.Product.CheckForNull();
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
BuyOfferDto content = createOffer(_createdOffer);
var json = Newtonsoft.Json.JsonConvert.SerializeObject(content);
URLBuilder url = new URLBuilder(controller);
var request = new HttpRequestMessage()
{
RequestUri = new Uri(url.URL),
Method = HttpMethod.Post,
Content = new StringContent(json,
Encoding.UTF8,
"application/json")
};
request.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(string.Format("{0}:{1}", _authenticationUser.UserId.ToString(), _authenticationUser.Password))));
var response = await client.SendAsync(request);
if (response.IsSuccessStatusCode)
{
BuyOffers.Add(_createdOffer);
_createdOffer = BuyOfferWrapper.CreateEmptyBuyOffer(_user);
}
else
{
ErrorString = (string)Application.Current.FindResource("InvalidBuyOfferError");
return;
}
}
ErrorString = null;
}